The right middle finger writing bulge is mainly due to the existence of bad habits of holding the pen, or writing habitually exerted too much, so that the middle finger is compressed, in the long run lead to the local tissue fluid reflux is not good, this kind of problem is mostly related to the tendon sheath cysts, local soft tissue damage. This problem is mostly related to tendon sheath cysts and damage to the local soft tissues. In mild cases, the problem can be adjusted by changing the habit of holding pens or writing, while in serious cases, surgery is needed. 1. If the problem is mild, it is necessary to change the way of holding the pen and control the strength of the pen when writing, in order to reduce the friction of the pen on the local fingers, so that the bulge will be absorbed by the body gradually and dissipate. 2. If the problem is more serious and accompanied by pain and other uncomfortable symptoms, you need to go to the hospital as soon as possible to use surgical methods for treatment, such as cauterization, laser and so on. It is recommended to develop good pen holding habits, and if surgical treatment is used, it must be well sterilized to prevent infection.